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Cal.com

Open Source Scheduling Infrastructure

Stars47,983
Forks14,944
Commits16,485
Founded2021 ยท Global (Remote-first)
LanguagesTypeScript 86.3%, JavaScript 5.6%, MDX 4%

Overview

Cal.com is an open-source scheduling platform designed to be a flexible alternative to tools like Calendly. It allows users and organizations to manage their availability and let others book appointments seamlessly. It can be self-hosted or used as a cloud service.

Benefits

Cal.com offers greater flexibility and control compared to proprietary scheduling tools. Being open-source, it allows for extensive customization, integration with various calendars (Google, Outlook, Apple), and the ability to self-host for enhanced data privacy and control. It supports team scheduling, round-robin assignments, and customizable booking pages.

Why It's Good

Cal.com stands out for its open-source nature, providing transparency, flexibility, and cost-effectiveness, especially for teams and enterprises. Its focus on developer experience and API-first design makes it highly integrable into existing workflows and applications. The self-hosting option is a significant advantage for organizations with strict data privacy requirements.